# Weight lifting gyms in Boulder > A weight-lifting gym that provides serious equipment without the intimidating atmosphere of a competitive training hall. Source: https://www.atly.com/united-states/colorado/boulder/best-weight-lifting-gym ## Places (19) ### 1. Gym Number Five Facility offers 24-hour access with high-quality equipment for strongman, powerlifting, and bodybuilding. Atmosphere stays welcoming and comfortable, encouraging focused training. Space includes ample plates and racks, supporting serious strength training needs. - Address: 6420 Gunpark Dr STE B, Boulder, CO 80301, USA - Atly: https://www.atly.com/location/GymNumberFive ### 2. Uplift Boulder Gym offers strongman equipment and expert coaching for serious lifters. Clean, beautiful space fosters a supportive community with no ego. Classes focus on purposeful programming that helps all skill levels grow. - Address: 3280 28th St #4, Boulder, CO 80301, USA - Atly: https://www.atly.com/location/UpliftBoulder ### 3. Core Progression Elite Personal Training Small, clean gym offers personalized coaching with a friendly vibe and dogs. Trainers use exercise science to tailor workouts for strength. Space stays private and welcoming, boosting accountability and confidence. - Address: 2525 Arapahoe Ave Building H7, Boulder, CO 80302, USA - Atly: https://www.atly.com/location/CoreProgressionElitePersonalTraining5 ### 4. CrossFit Roots Organized gym offers dynamic workouts for all levels with a supportive community that welcomes those with injuries. Coaches show unlimited patience and focus on safe lifting form, ensuring a safe and inclusive space. - Address: 5311 Western Ave Suite 101, Boulder, CO 80301, USA - Atly: https://www.atly.com/location/CrossFitRoots ### 5. CrossFit Sanitas Huge gym space with clean gear and top-notch amenities like sauna and cold plunge energizes workouts. Strong coaching offers scalable workouts and supports all levels. Open gym hours and a supportive community help skill growth and progression. - Address: 2525 Arapahoe Ave E60, Boulder, CO 80302, USA - Atly: https://www.atly.com/location/CrossFitSanitas ### 6. Kinesis Integrated Performance Personal training space offers highly personalized strength programs with coaches adapting sessions to energy and stress levels. Staff create a fun environment while focusing on injury prevention and athletic progression. Training blends physical and mental aspects for a fully integrated approach. - Address: 1756 38th St, Boulder, CO 80301, USA - Atly: https://www.atly.com/location/KinesisIntegratedPerformance ### 7. Alpine Training Center Gym offers smart programming that builds real strength with stellar coaching. Community is supportive and ego-free, creating a tight-knit group focused on personal growth. Each session feels unique and motivating. - Address: 1840 Commerce St, Boulder, CO 80301, USA - Atly: https://www.atly.com/location/AlpineTrainingCenter ### 8. Anytime Fitness Spacious gym offers 24/7 access with a clean, chill vibe and natural daylight. Weight lifting shines with wide range of weights and TRX, plus a ballet barre for stretching. Respectful users follow a no-phone policy, keeping the space focused and tidy. - Address: 6565 Gunpark Dr Suite 155, Boulder, CO 80301, USA - Atly: https://www.atly.com/location/AnytimeFitness349 ### 9. ONE Boulder Fitness Gym features a deadlifting platform and solid weights in a spacious layout. Staff know members by name, keeping a chill atmosphere even when busy. Amenities like sauna and cold plunge offer great post-workout relaxation. - Address: 1800 Broadway #190, Boulder, CO 80302, USA - Atly: https://www.atly.com/location/ONEBoulderFitness ### 10. Mountains' Edge Fitness Huge American flag and spacious gym create a strong atmosphere. Equipment is incredibly clean and well-organized for all strength needs. Quiet, welcoming vibe with ample privacy and a friendly corgi mascot make workouts comfortable and judgment-free. - Address: 2907 55th St #2, Boulder, CO 80301, USA - Atly: https://www.atly.com/location/Mountains-Edge-Fitness ### 11. Boulder CrossFit Gym offers expert coaching and a supportive community for all skill levels. Workouts focus on safety and form with positive energy. Environment is inclusive and newcomer-friendly, promoting growth in fitness and life. - Address: 2480 49th St, Boulder, CO 80301, USA - Atly: https://www.atly.com/location/BoulderCrossFit ### 12. Boulder Athletics Gym offers intentional programming that builds strength and supports longevity. Coaches provide friendly guidance in a culture free of ego. Energy stays motivating and welcoming, especially during early morning sessions. - Address: 3240 Pearl St, Boulder, CO 80301, USA - Atly: https://www.atly.com/location/BoulderAthletics ### 13. F45 Training Central Boulder Bright gym with a balcony and Flatirons view energizes workouts. Classes mix HIIT and circuit training for strength and cardio gains. Friendly instructors boost motivation while customizable weights help build lean muscle and ease back pain. - Address: 1750 29th St Suite 2020, Boulder, CO 80301, USA - Atly: https://www.atly.com/location/F45TrainingCentralBoulder ### 14. KONDITION--Barre | Spin | Strength | Yoga | Dance Gym offers strength classes and varied workouts like HIIT and barre, perfect for weight lifting and cross-training. Spacious, clean facility feels like a spa with lavender towels and massage chairs. Energetic community supports all fitness levels with modern amenities. - Address: 3161 Walnut St, Boulder, CO 80301, USA - Atly: https://www.atly.com/location/KONDITION--Barre-Spin-Strength-Yoga-Dance ### 15. Boulder YMCA Fitness center offers a huge weight room with clean, spacious areas and a heated pool for varied workouts. Friendly, family-friendly vibe makes it welcoming, while child care services add convenience. Locker rooms feature a hot sauna for relaxation after exercise. - Address: 2850 Mapleton Ave, Boulder, CO 80301, USA - Atly: https://www.atly.com/location/BoulderYMCA ### 16. Crunch Fitness - Boulder Spacious gym boasts Nautilus machines and a friendly atmosphere that welcomes all. Serious lifters love the exceptional weight lifting facilities and great value. Sauna and recovery areas add comfort without crowding. - Address: 1848 30th St, Boulder, CO 80301, USA - Atly: https://www.atly.com/location/Crunch-Fitness---Boulder ### 17. Transform Colorado - BLDR Studio blends clean design with friendly instructors for strength building. Bright lighting and mirrors create a welcoming atmosphere where all levels feel supported. Top-notch reformer machines and motivating music keep energy positive and workouts effective. - Address: 3000 Pearl Pkwy #1100, Boulder, CO 80301, USA - Atly: https://www.atly.com/location/Transform-Colorado---BLDR ### 18. University Of Colorado Boulder Recreation Center Facility buzzes with energy, offering diverse workout options like climbing walls and turf fields. Weight lifting area shines with CU Boulder dumbbells and full equipment. Rooftop tennis courts provide stunning Rocky Mountain views, while pools and ice rink add variety. - Address: 1855 Pleasant St, Boulder, CO 80302, USA - Atly: https://www.atly.com/location/UniversityOfColoradoBoulderRecreationCenter ### 19. Orangetheory Fitness Studio pulses with bumping music and a friendly atmosphere. Workouts blend cardio and weights for strength and health, tailored to individual goals. Coaches support an older clientele with expert guidance. - Address: 649 S Broadway B, Boulder, CO 80305, USA - Atly: https://www.atly.com/location/OrangetheoryFitness504 ## Get this data directly This page comes from the Atly Places API, which scores close to 2 million places against more than 1,400 intents — "nice view", "work friendly", "gluten free", "dog friendly" — from what real reviewers say, with the statements behind every score. - **MCP server:** `https://agentic-api.atly.com/mcp` — connect it in ChatGPT or Claude. Nothing to install. - **Guide for agents:** - **OpenAPI contract:** - **No key needed to start.** `POST https://agentic-api.atly.com/v0/keys` with an email raises the quota. Coverage is densest in the United States, with pockets in Mexico, Israel and Thailand.